CN101922346A - Single-screw rotor engine and energy conversion method thereof - Google Patents
Single-screw rotor engine and energy conversion method thereof Download PDFInfo
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- CN101922346A CN101922346A CN2010100012265A CN201010001226A CN101922346A CN 101922346 A CN101922346 A CN 101922346A CN 2010100012265 A CN2010100012265 A CN 2010100012265A CN 201010001226 A CN201010001226 A CN 201010001226A CN 101922346 A CN101922346 A CN 101922346A
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Abstract
The invention relates to a single-screw rotor engine consisting of a screw rotor (1), a screw shaft (3), two star wheels (2), two star wheel shafts (15), an engine body (4), a fuel oil atomizer or a gas nozzle (17) and a spark plug device (30). Compared with the traditional piston reciprocating-type and triangle rotor-type engines, the single-screw rotor engine does not have compression stroke; the energy conversion of the engine comprises three strokes of a suction stroke, a combustion stroke and an exhaust stroke, wherein in the suction stroke, a suction cylinder sucks mixed gas of air, fuel oil or gas under the natural state or mixed gas of compressed air and fuel oil or gas provided by a supercharger; in the combustion stroke, the spark plug ignites the mixed gas containing fuel oil or gas in a combustion cylinder and the gas is expanded due to heat to push the screw to rotate; and in the exhaust stroke, a screw slot becomes an exhaust cylinder after combustion and hot air is discharged from the exhaust cylinder.
Description
Technical field
The present invention relates to a kind of rotary engine and energy transformation method thereof, its rotor is a screw rod, so be called single-screw rotor engine, belong to the motor class, be used for any industry and fields that need power source such as industry, agricultural, power, electric power, land and water transportation and transportation even Aero-Space.
Background technique
General motor is a reciprocating motion type, and piston is done linear reciprocating motion during work in cylinder, rotatablely moves for the straight line motion of piston is converted into, and must use connecting rod.Because the change of piston up-down brief acceleration causes the impact to bent axle, body galloping, mechanical vibration and noise are big, and efficient is low, complex structure.
Rotary engine is then different, and it directly is converted into driving torque with burning expansion power.Compare with Reciprocating engine, rotary engine has been cancelled the straight line motion of piston, thereby the rotary engine size of same power is less, and weight is lighter, and vibration and noise are lower, have greater advantage.
Rotary polygonal piston engine is at present unique practical rotary engine, its absorption, compression and discharging to rotatablely move control gaseous.Rotary polygonal piston engine directly contacts the drive screw axle by rotor and rotates with screw axis, rotor is from carry out eccentric rotary in cylinder, be one and be enclosed within the gearwheel of making eccentric motion on the screw axis outer rim, and the screw axis axle journal is less relatively, therefore just formed the driving mode of gearwheel driving pinion, make its moment of torsion reduce greatly, Here it is causes the low basic reason of rotary engine low speed torque, also is the major reason that rotary engine can not extensive use.
Chinese patent 200810188256.4 has provided oblique star wheel single screw compressor.Screw rod and be installed in described screw rod both sides and have good stress balance characteristic with the combination of two oblique star wheels of described screw engages respectively.The space crossed staggered arrangement of spider gear shaft and screw axis makes the flute profile of star-wheel tooth near cuboid, under the condition of star-wheel and screw rod conjugation, the equilibrium of forces of star-wheel self is functional, gas pressure is less with joint efforts the normal component of force of star-wheel flank, approaches zero or equal zero during ideal state.
This patent the advantage of excavating oblique star wheel single screw compressor and overcome reciprocating engine and the basis of the shortcoming of rotary polygonal piston engine on invented single-screw rotor engine.
Summary of the invention
The object of the present invention is to provide a kind of new rotary engine, i.e. single-screw rotor engine.This motor has stress equalization, it is little to operate steadily, shake, noise is low, volume is little and the efficient advantages of higher.
According to an aspect of single-screw rotor engine of the present invention, this rotary engine comprises a screw rod and a screw axis, two star-wheels and two spider gear shafts, a body, is arranged on intakeport and relief opening on the body.The screw of motor is located on the screw axis, described screw axis through bearings in body.Two star-wheels are oblique be installed in the screw rod both sides and respectively with described screw engages.It is characterized in that: this motor also comprises oil-combustion atomizer or gas nozzle and spark setting; The suction cylinder of motor is that the tooth of described star-wheel is when sliding in the screw channel of described screw rod and screw channel, the described body of described screw rod or be installed in the space that the screw rod cylinder sleeve in the described body constitutes; Deflagrating jar is that the tooth of described star-wheel is when sliding in the screw channel of described screw rod and screw channel, the described body of described screw rod or be installed in the enclosed space that the screw rod cylinder sleeve in the described body surrounds; Exhaust casing is the screw channel and the described body of described screw rod or is installed in the space that the screw rod cylinder sleeve in the described body constitutes.Spark setting is installed in the position of lighting a fire to deflagrating jar on the described body.Its feature also is: the screw rotor of this rotary engine has only one, is a kind of single-screw rotor engine.
According to another aspect of single-screw rotor engine of the present invention, its feature also is: described oblique star wheel is meant between the axis of two star-wheels and is space crossed staggered between the axis of the axis of two star-wheels and screw rod, in twos coplane not mutually; One common vertical line respectively with the axes intersect of the axis and the screw rod of described two star-wheels, the axis of described two spider gear shafts equates with the distance of the intersection point of common vertical line with the axis that the intersection point branch of common vertical line is clipped to described screw axis.
According to the 3rd aspect of single-screw rotor engine of the present invention, a kind of non-eccentricity dental star wheel is installed in the screw rod both sides, and the bus of the tooth and arranged on left and right sides of described non-eccentricity dental star wheel is symmetrically distributed in the both sides that this star-wheel tooth is crossed the center line at star-wheel running center.
The 4th aspect according to single-screw rotor engine of the present invention, a kind of eccentric dental star wheel is installed in the screw rod both sides, the star-wheel tooth and arranged on left and right sides bus of described eccentric dental star wheel was positioned at the center line both sides at star-wheel running center, to same deviation in driction, and the bus of and arranged on left and right sides is asymmetric with the center line that the star-wheel tooth is crossed star-wheel running center, makes this toothed portion Off center position.
The 5th aspect according to single-screw rotor engine of the present invention, a kind of eccentric dental star wheel is installed in the screw rod both sides, bus secundly in the star-wheel tooth and arranged on left and right sides bus of described eccentric dental star wheel and another and star-wheel tooth are crossed the turn round central lines at center of star-wheel, make the complete Off center of this star-wheel tooth position.
According to the 6th aspect of single-screw rotor engine of the present invention, the auxiliary rotating system of motor comprises cooling system, lubrication system, air filtration system and lubrication oil filtration system etc.
According to an aspect of the energy transformation method of single-screw rotor engine of the present invention, single-screw rotor engine comprises a screw rod, two star-wheels, a screw axis, two spider gear shafts and bodies, is arranged on intakeport and relief opening on the body.The screw of motor is located on the screw axis, described screw axis through bearings in body.Two oblique star wheels be installed in the screw rod both sides and respectively with described screw engages.It is characterized in that: the conversion process of energy of this single screw-rod engine comprises suction stroke, combustion stroke and exhaust stroke.Described suction stroke is that the tooth of described star-wheel is when sliding in the screw channel of described screw rod and screw channel, the described body of described screw rod or the working state when being installed in cylinder that space that the screw rod cylinder sleeve in the described body surrounds constitutes and inhaling cylinder with the intakeport UNICOM on the body.The air of suction cylinder inspiration nature and the mixed gas of fuel oil or combustion gas, or the pressurized air that provides of inspiration pressure-increasing machine and the mixed gas of fuel oil or combustion gas, screw channel leave intakeport then breathing process finish.Described combustion stroke is after breathing process is finished, when the tooth of described star-wheel slides in the screw channel of described screw rod and screw channel, the described body of described screw rod or be installed in the working state in the space (deflagrating jar) of the complete closed that the screw rod cylinder sleeve in the described body surrounds.Deflagrating jar is during through the spark setting position, contains fuel mix gas in the plug ignition ignition combustion cylinder, and gas expands in deflagrating jar, the lead-screw rotation.Described exhaust stroke is through after the combustion stroke, the tooth of described star-wheel breaks away from the screw channel of described screw rod, after enclosed space one end face that screw channel constitutes with body is opened, opening is with the working state in the space (being exhaust casing) of the relief opening UNICOM on the body, and the hot air in the exhaust casing is discharged through outlet pipe or exhaust energy recovering device from screw channel.
According to second aspect of the energy transformation method of single-screw rotor engine of the present invention, described pressure-increasing machine is a single screw compressor.
According to the 3rd aspect of the energy transformation method of single-screw rotor engine of the present invention, described pressure-increasing machine is a centrifugal compressor.
According to the 4th aspect of the energy transformation method of single-screw rotor engine of the present invention, described pressure-increasing machine is an Axial Flow Compressor and a centrifugal pressure-increasing machine.
According to the 5th aspect of the energy transformation method of single-screw rotor engine of the present invention, described pressure-increasing machine is a scroll compressor.
According to the 6th aspect of the energy transformation method of single-screw rotor engine of the present invention, described exhaust energy recovering device is that an exhaust energy reclaims turbine.
Description of drawings
Fig. 1 single-screw rotor engine structural drawing
Fig. 2 single-screw rotor engine ignition mechanism mounting structure figure
Fig. 3 single-screw rotor engine oil-combustion atomizer or gas nozzle mounting structure figure
Fig. 4 single-screw rotor engine screw rod and oblique star wheel engagement figure
Fig. 5 band exhaust energy reclaims the single-screw rotor engine structural drawing of the single screw compressor supercharging of turbine
The single-screw rotor engine structural drawing of the centrifugal pressure-increasing machine supercharging of Fig. 6
Fig. 7 band exhaust energy reclaims the single-screw rotor engine structural drawing of the centrifugal pressure-increasing machine supercharging of turbine
Fig. 8 band exhaust energy reclaims the single-screw rotor engine structural drawing of turbine
Fig. 9 is an oblique star wheel engagement comparison diagram
According to the single-screw rotor engine embodiment shown in Fig. 1,2 and 3, this single-screw rotor engine is made up of with oblique star wheel 2, screw axis 3, spider gear shaft 15 and the body 4 etc. of screw engages a screw rod 1, two.Because so screw rotor 1 has only one to be a kind of single-screw rotor engine.Screw rod 1 is installed on the screw axis 3, and screw axis 3 is in bearing 10 is installed in body 4.Also comprise two intakepories 6, oil-combustion atomizer or gas nozzle 17 and intakeport 6 couplings on this engine body.When the tooth that two suction cylinders 6 of motor are described star-wheels 2 slides in the screw channel of described screw rod 1 and screw channel, the described body 4 of described screw rod 1 or be installed in the space that the screw rod cylinder sleeve (not shown) in the described body 4 constitutes; When the tooth that two deflagrating jars 7 are described star-wheels 2 slides in the screw channel of described screw rod 1 and screw channel, the described body 4 of described screw rod 1 or be installed in the enclosed space that the screw rod cylinder sleeve in the described body 4 surrounds; Exhaust casing 8 is screw channel and described bodies 4 of described screw rod 1 or is installed in the space that the screw rod cylinder sleeve (not shown) in the described body 4 constitutes.Spark setting 30 is installed in the position of giving deflagrating jar 7 igniting on the described body 4.Space crossed staggered between the axis of two star-wheels 2 of motor and between the axis of the axis of two star-wheels 2 and screw rod 1, coplane not mutually in twos.One common vertical line respectively with the axes intersect of the axis and the screw rod 1 of described two star-wheels 2, the axis of described two spider gear shafts 15 equates with the distance of the intersection point of common vertical line with the axis that the intersection point branch of common vertical line is clipped to described screw axis 3.
The conversion process of energy of single screw-rod engine comprises suction stroke, combustion stroke and exhaust stroke.Described suction stroke is that the tooth of described star-wheel 2 is when sliding in the screw channel of described screw rod 1 and screw channel, the described body 4 of described screw rod 1 or the working state when being installed in cylinder that space that the screw rod cylinder sleeve (not shown) in the described body 4 surrounds constitutes and inhaling cylinder 6 with 16 UNICOMs of the intakeport on the body 4.Cylinder is inhaled the air of cylinder 6 inspiration natures and the mixed gas of fuel oil or combustion gas, or the pressurized air that provides of inspiration pressure-increasing machine and the mixed gas of fuel oil or combustion gas, and 16 breathing process of intakeport that screw channel leaves on the body 4 are finished.Described combustion stroke is after breathing process is finished, when the tooth of described star-wheel 2 slides in the screw channel of described screw rod 1 and screw channel, the described body 4 of described screw rod 1 or be installed in the working state of the deflagrating jar 7 of the complete closed that the screw rod cylinder sleeve (not shown) in the described body 4 surrounds.Deflagrating jar 7 is enclosed spaces, and deflagrating jar 7 is during through the position of spark settings 30, and spark plug 30 is lighted and contained fuel mix gas in the deflagrating jar 7, and gas expands in deflagrating jar 7, and lead-screw 1 rotates.Described exhaust stroke is through after the combustion stroke, the tooth of described star-wheel 2 breaks away from the screw channel of described screw rod 1, after enclosed space one end face that screw channel constitutes with body 4 is opened, opening is with the working state of the exhaust casing 8 of 18 UNICOMs of the relief opening on the body 4, and the hot air in the exhaust casing 8 is discharged through outlet pipe or exhaust energy recovering device from screw channel.
Fig. 4 is single-screw rotor engine screw rod and oblique star wheel engagement figure.Fig. 4 a is the engagement figure of non-eccentricity dental star wheel 2 and non-eccentricity tooth screw rod 1, and so-called non-eccentricity tooth is meant that the bus of tooth and arranged on left and right sides is symmetrically distributed in the both sides that this star-wheel tooth is crossed the center line at star-wheel 2 running centers; Fig. 4 b is the engagement figure of eccentric dental star wheel 2 of part and the eccentric tooth screw rod 1 of part, the eccentric tooth of so-called part is meant that tooth and arranged on left and right sides bus was positioned at the center line both sides at star-wheel 2 running centers, to same deviation in driction, and the bus of and arranged on left and right sides was asymmetric with the center line at star-wheel running center; Fig. 4 c is complete eccentric dental star wheel 2 and the engagement figure of complete eccentric tooth screw rod 1, so-called complete eccentric tooth be meant bus secundly in the tooth and arranged on left and right sides bus and another with cross the turn round central lines at centers of star-wheel 2.
Fig. 9 is oblique star wheel and screw engages state comparison diagram, and the engagement of three kinds of flute profiles changes shown in this figure among Fig. 4.Take turns on the oblique screw rod both sides that are installed in of the star-wheel of single-screw rotor engine, non-eccentricity dental star wheel and non-eccentricity tooth screw rod and eccentric dental star and eccentric tooth screw rod is represented with synteny not.At first, when the star-wheel equal diameters such as φ=d
2The time, the screw rod 1a of the single-screw rotor engine of band oblique star wheel increases Δ r than the screw rod 1b depth of engagement of single-screw rotor engine.Secondly, when screw diameter equated, the eccentric flute profile of the single-screw rotor engine of band oblique star wheel was compared with the non-eccentricity flute profile, and the star-wheel diameter can increase Δ d
2, right tooth angle still can break away from screw rod simultaneously and can not lag behind.Δ d
2Calculate with following formula:
In the formula
Wherein
Be the function of star-wheel inclined angle alpha, promptly
1., formula (1) is the Δ d of the eccentric tooth engagement of single-screw rotor engine part of band oblique star wheel
2
2., the A in formula (1)
1Be the Δ d of complete eccentric tooth engagement of the single-screw rotor engine of oblique star wheel at=0 o'clock
2, its value is:
3., in the formula (1)
The time to be the axis normal of the axis of special case star-wheel of oblique star wheel and screw engages and screw rod staggered, the Δ d of the eccentric tooth engagement of single-screw rotor engine
2, its value is:
Fig. 5 band exhaust energy reclaims the single-screw rotor engine structural drawing of the single screw compressor supercharging of turbine.This single-screw rotor engine is made up of three parts.The one, motor, motor is made up of screw rod 1 and screw axis 3, two oblique star wheels 2 and spider gear shaft 15, body 4; The 2nd, pressure-increasing machine, pressure-increasing machine is made up of screw rod 21, star-wheel 22 and spider gear shaft 25, body 24; The 3rd, exhaust energy reclaims turbine and is made up of body 38 and turbine 11.The exhaust port 28 of single screw compressor links with the suction port 16 of motor.The shared motor screw axis 3 of described pressure-increasing machine and turbine.In conjunction with Fig. 2 and 3, enter the suction cylinder 6 of motor after the fuel mix of air through sending here with oil-combustion atomizer or gas nozzle 17 after the single screw compressor supercharging.Promptly constitute deflagrating jar 7 after suction cylinder 6 sealing, the acting of deflagrating jar 7 in, expanding of the gas that spark plug 30 ignition combustion cylinders are 7 li, gas, lead-screw 1 rotates.After burning was finished, gas was crossed exhaust port 18 and is discharged through turbine 11.
Fig. 6 is the single-screw rotor engine structural drawing with centrifugal pressure-increasing machine, and this single-screw rotor engine is made up of oblique star wheel 2, screw axis 3 and the spider gear shaft 15 of a screw rod 1, two and screw engages, body 4, air-strainer 5, intake duct 14, centrifugal pressure-increasing machine rotor 23, pressure-increasing machine body 29 etc.The shared motor screw axis 3 of described pressure-increasing machine.In conjunction with Fig. 2 and 3, enter the suction cylinder 6 of motor after the fuel mix of air through sending here with oil-combustion atomizer or gas nozzle 17 after the centrifugal pressure-increasing machine supercharging, promptly constitute deflagrating jar 7 after suction cylinder 6 sealings, the gas that spark plug 30 ignition combustion cylinders are 7 li, the gas acting of in deflagrating jar 7, expanding, lead-screw 1 rotation.After burning was finished, gas was discharged through exhaust port 18.
Fig. 7 is that the band exhaust energy reclaims the single-screw rotor engine structural drawing of the centrifugal pressure-increasing machine supercharging of turbine, and this single-screw rotor engine is made up of with oblique star wheel 2, screw axis 3 and spider gear shaft 15, body 4, air-strainer 5, pressure-increasing machine rotor 23, pressure-increasing machine body 29, turbine body 38 and the turbine 11 etc. of screw engages a screw rod 1, two.The shared motor screw axis 3 of described pressure-increasing machine and turbine.In conjunction with Fig. 2 and 3, enter the suction cylinder 6 of motor after the fuel mix of air through sending here with oil-combustion atomizer or gas nozzle 17 after the centrifugal pressure-increasing machine supercharging, promptly constitute deflagrating jar 7 after suction cylinder 6 sealings, the gas that spark plug 30 ignition combustion cylinders are 7 li, the gas acting of in deflagrating jar 7, expanding, lead-screw 1 rotation.After burning was finished, gas was crossed exhaust port 18 and is discharged through turbine 11.
Fig. 8 is the single-screw rotor engine structural drawing that the band exhaust energy reclaims turbine, and this single-screw rotor engine is made up of oblique star wheel 2, screw axis 3 and the spider gear shaft 15 of a screw rod 1, two and screw engages, body 4, turbine 11, turbine body 38 etc.The shared motor screw axis 3 of described turbine.In conjunction with Fig. 2 and 3, enter the suction cylinder 6 of motor after the fuel mix that air is sent here with oil-combustion atomizer or gas nozzle 17, promptly constitute deflagrating jar 7, the gas that spark plug 30 ignition combustion cylinders are 7 li after suction cylinder 6 sealings, the gas acting of in deflagrating jar 7, expanding, lead-screw 1 rotation.After burning was finished, gas was crossed exhaust port 18 and is discharged through turbine 11.
Core of the present invention is by a screw rod and the single-screw rotor engine that constitutes with two oblique star wheels of its engagement, all legends only are used for for example, different combinations will constitute the structure of different single-screw rotor engines, can replace with the Vertical Meshing mode as the star-wheel with the oblique engagement of screw rod.The auxiliary rotating system of motor comprises cooling system, lubrication system, air filtration system and lubrication oil filtration system etc.
Claims (18)
1. a rotary engine comprises a screw rod and a screw axis, two star-wheels and two spider gear shafts, a body, is arranged on intakeport and relief opening on the body.The screw of motor is located on the screw axis, described screw axis through bearings in body.Two star-wheels are oblique be installed in the screw rod both sides and respectively with described screw engages.It is characterized in that: this motor also comprises oil-combustion atomizer or gas nozzle and spark setting; The suction cylinder of motor is that the tooth of described star-wheel is when sliding in the screw channel of described screw rod and screw channel, the described body of described screw rod or be installed in the space that the screw rod cylinder sleeve in the described body constitutes; Deflagrating jar is that the tooth of described star-wheel is when sliding in the screw channel of described screw rod and screw channel, the described body of described screw rod or be installed in the enclosed space that the screw rod cylinder sleeve in the described body surrounds; Exhaust casing is the screw channel and the described body of described screw rod or is installed in the space that the screw rod cylinder sleeve in the described body constitutes; Spark setting is installed in the position of lighting a fire to deflagrating jar on the described body.Its feature also is: the screw rotor of this rotary engine has only one, is a kind of single-screw rotor engine.
2. single-screw rotor engine according to claim 1 is characterized in that: space crossed staggered between the axis of two star-wheels and between the axis of the axis of two star-wheels and screw rod, and coplane not mutually in twos.
3. single-screw rotor engine according to claim 1, it is characterized in that: a common vertical line respectively with the axes intersect of the axis and the screw rod of described two star-wheels, the axis of described two spider gear shafts equates with the distance of the intersection point of common vertical line with the axis that the intersection point branch of common vertical line is clipped to described screw axis.
4. single-screw rotor engine according to claim 1 is characterized in that: oil-combustion atomizer or gas nozzle are installed in suction cylinder position on the described body.
5. single-screw rotor engine according to claim 1 is characterized in that: oil-combustion atomizer or gas nozzle are installed on the air intake apparatus of suction cylinder on the described body.
6. single-screw rotor engine according to claim 5 is characterized in that: described air intake apparatus is meant the gas-entered passageway that connects the suction cylinder suction port.
7. single-screw rotor engine according to claim 5 is characterized in that: described air intake apparatus is meant the pressure-increasing machine that connects the suction cylinder suction port.
8. single-screw rotor engine according to claim 7 is characterized in that: described pressure-increasing machine is a single screw compressor.
9. single-screw rotor engine according to claim 7 is characterized in that: described pressure-increasing machine is a centrifugal compressor.
10. single-screw rotor engine according to claim 7 is characterized in that: described pressure-increasing machine is the combination of an Axial Flow Compressor and a centrifugal pressure-increasing machine.
11. single-screw rotor engine according to claim 7 is characterized in that: described pressure-increasing machine is a scroll compressor.
12. single-screw rotor engine according to claim 1 is characterized in that: this motor also comprises motor and moves necessary auxiliary system.
13. single-screw rotor engine according to claim 12 is characterized in that: described auxiliary system comprises lubrication system.
14. single-screw rotor engine according to claim 12 is characterized in that: described auxiliary system comprises cooling system.
15. single-screw rotor engine according to claim 12 is characterized in that: described auxiliary system comprises air filtering system.
16. single-screw rotor engine according to claim 12 is characterized in that: described auxiliary system comprises the lubrication oil filtration system.
17. the energy transformation method of a single-screw rotor engine is characterized in that: the conversion process of energy of motor comprises suction stroke, combustion stroke and exhaust stroke.Suction stroke is the mixed gas of the air of suction cylinder inspiration nature and fuel oil or combustion gas or the pressurized air that the described pressure-increasing machine of inspiration provides and the mixed gas of fuel oil or combustion gas.Combustion stroke is the mixed gas that the spark ignitor deflagrating jar includes fuel oil or combustion gas, lead-screw rotation that when gases are heated, they expand.Exhaust stroke is waste gas or the waste gas in energy recycle device venting screw channel in the outside venting screw channel of exhaust casing.
18. the energy transformation method of single-screw rotor engine according to claim 17 is characterized in that: described energy recycle device is that an exhaust energy reclaims turbine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010100012265A CN101922346A (en) | 2010-01-13 | 2010-01-13 | Single-screw rotor engine and energy conversion method thereof |
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| CN2010100012265A CN101922346A (en) | 2010-01-13 | 2010-01-13 | Single-screw rotor engine and energy conversion method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612843A (en) * | 2014-11-15 | 2015-05-13 | 罗显平 | Electronic-control gas engine and vehicle with same |
| CN105952640A (en) * | 2016-07-01 | 2016-09-21 | 北京工业大学 | Utilization system for exhaust leaving velocity of spiral grooves of single-screw expansion machine |
-
2010
- 2010-01-13 CN CN2010100012265A patent/CN101922346A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612843A (en) * | 2014-11-15 | 2015-05-13 | 罗显平 | Electronic-control gas engine and vehicle with same |
| CN105952640A (en) * | 2016-07-01 | 2016-09-21 | 北京工业大学 | Utilization system for exhaust leaving velocity of spiral grooves of single-screw expansion machine |
| CN105952640B (en) * | 2016-07-01 | 2018-09-04 | 北京工业大学 | Single-screw expander screw channel is vented leaving velocity and utilizes system |
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Application publication date: 20101222 |